Home / 207,627,376.80-311,441,065.20-54,288,933.60

Finding the Fourth Proportional to 207,627,376.80, 311,441,065.20 and 54,288,933.60

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Solution

The fourth proportional to 207,627,376.80, 311,441,065.20 and 54,288,933.60 is: 81,433,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,627,376.80 : 311,441,065.20 = 54,288,933.60 : x
  2. Step 2: Convert to fraction form
    207,627,376.80/311,441,065.20 = 54,288,933.60/x
  3. Step 3: Cross multiply
    207,627,376.80x = 311,441,065.20 × 54,288,933.60
  4. Step 4: Simplify right side
    207,627,376.80x = 16,907,803,308,956,070
  5. Step 5: Solve for x
    x = 16,907,803,308,956,070/207,627,376.80
  6. Step 6: Final answer
    x = 81,433,400.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.